In December, Gliwice typically sees daytime highs of 2.4°C and overnight lows around -3.2°C. Compared to the annual average high of 12.5°C, December runs -10.2°C.
December in Gliwice averages a daytime high of 2.4°C and an overnight low of -3.2°C.
December runs -10.2°C compared to Gliwice's annual average high of 12.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 2.4°C and cooler evenings around -3.2°C.